INTER BOTANY | ఇంటర్‌ B I మరియు B II మోడల్‌ పేపర్స్‌

INTER BOTANY 

BOTANY -I

Time:3 Hrs  Total Marks: 60
Section-A

I. Very Short Answer type questions.
Answer ALL questions 10 × 2=20
1. What does ICBN stands for?
2. Name two diseases caused by Mycoplasmas.
3. Why is mendel considered as the father of genetics?
4. Differentiate between actinomorphic and zygomorphic flower.
5. Mention the modes of reproduction in Alage and Fungi?
6. What is natural system of plant class ification? Name the scientist who followed it
7. Which part of bacterial cell is targeted in gram staining?
8. If a tissue has at a given time 1024 Cells. How many cycles of mitosis had the originalparented single cell Undergone?
9. Give one example for each ammino acids, sugars nucleotides and fatty acids.
10. Define population and community.
Section-B
II. Short answer type questions. Answer any SIX questions 6 × 4=24
11. What are the characteristics features of Euglenoids?
12. Differentiate between red algae and brown algae.
13. Discuss the various types of pollen tube entry into ovary with the help of diagram.
14. Give economic importance of plants belonging to fabaceae.
15. Describe the structure and function of power houses of cell.
16. Through redundantly, described as a resting phase, interphase does not really involve rest.Comment
17. What is periderm? How does periderm formation take place in the dicot stems?
18. What are hydrophytes? Briefly discuss the different kinds of hydrophytes with examples.
Section-C
III. Long Answer type questions. Answer any TWO questions 2 × 8=16
19. Define root modification. Explain how roots are modified to perform different function.
20. With neat labelled diagram, describe the parts of a mature angiosperm embryosac. Mention therole of synergids.
21. Describe the T.S. of dicot system

 

INTER BOTANY 

BOTANY -II

Time:3 Hrs  Total Marks: 60
Section-A

SECTION – A
I. i) Very short answer type questions.
ii) Answer ALL questions.
iii) Each question carries TWO marks. 10X2M = 20M
1. Explain the role of the pink colour pigment in the root nodule of legume plants.
What is it called?
2. Compare imbibing capacities of pea and wheat seeds.
3. What is lysozyme and what is its function?
4. What is meant by capping and tailing?
5. What is the difference between exons and introns?
6. Distinguish between heterochromatin and euchromatin. Which of the two isTranscriptionally active?
7. Give different types of cry genes and pests which are controlled by the proteinsencoded by these genes.
8. What is GEAC and what are its objectives?
9. What is green revolution? Who is regarded as father of green revolution?
10. Why does ‘Swiss cheese’ have big holes? Name the bacteria responsible for it.
SECTION – B
II. i) Short answer type questions.
ii) Answer any SIX questions.
iii) Each question carries FOUR marks. 6X4M = 24M
11. How does ascent of sap occur in tall tress?
12. Explain the mechanism of enzyme action.
13. Tabulate any eight differences between C3 and C4 plants / cycles.
14. Write any four physiological effects of cytokinins in plants.
15. Explain the following terns with examples.
(a) Co-dominance
(b) in complete dominance
16. Draw the schematic diagrammatic presentation of the Lac operon.
17. Give a brief account of Bt cotton.
18. How are bacteria classified on the basis of number and distribution of flagella?
SECTION – C
III. i) Long answer type questions.
ii) Answer any TWO questions.
iii) Each question carries EIGHT marks. 2×8=16M
19. Give an account of glycolysis. Where does it occur? What are the end products?
Trace the fate of these products? Trace the fate of these products in both aerobicand anaerobic respiration.
20. Give a brief account of the tools of recombinant DNA technology.
21. You are a Botanist working in the area of plant breeding. Describe the varioussteps that you will undertake to release a new variety.

 

 

b. sravanthi botony faculty,

nano jr college

madhapur, hyd